Monsanto Corn Plant Losing Bug Resistance

By

Scott Kilman

August 29, 2011

Widely grown corn plants that Monsanto Co. genetically modified to thwart a voracious bug are falling prey to that very pest in a few Iowa fields, the first time a major Midwest scourge has developed resistance to a genetically modified crop.

The discovery raises concerns that the way some farmers are using biotech crops could spawn superbugs.

Iowa State University entomologist Aaron Gassmann's discovery that western corn...